CN220310688U - Waste incineration flue gas treatment system - Google Patents
Waste incineration flue gas treatment system Download PDFInfo
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- CN220310688U CN220310688U CN202321790511.9U CN202321790511U CN220310688U CN 220310688 U CN220310688 U CN 220310688U CN 202321790511 U CN202321790511 U CN 202321790511U CN 220310688 U CN220310688 U CN 220310688U
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- flue gas
- cooling
- pipeline
- flow regulating
- regulating valve
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 112
- 239000003546 flue gas Substances 0.000 title claims abstract description 112
- 238000004056 waste incineration Methods 0.000 title claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 87
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 230000001105 regulatory effect Effects 0.000 claims abstract description 40
- 238000002156 mixing Methods 0.000 claims abstract description 38
- 239000012717 electrostatic precipitator Substances 0.000 claims abstract description 27
- 238000002485 combustion reaction Methods 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims description 29
- 239000003513 alkali Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 6
- 210000000476 body water Anatomy 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000000428 dust Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
- 238000005507 spraying Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000003009 desulfurizing effect Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model discloses a waste incineration flue gas treatment system which comprises a combustion furnace, a demisting cooling tower, an electrostatic precipitator and a flue gas discharging chimney which are sequentially connected, wherein a flue gas outlet is formed in the top end and the side face of the combustion furnace and is connected with a mixed cooling box, the demisting cooling tower comprises a mixed cooling box and a demister and a filter plate, the mixed cooling box is divided into a cooling chamber and a high-temperature flue gas mixing pipeline, six guide bodies are arranged in the cooling chamber, a plurality of groups of spray heads are arranged on the side parts of each guide body, a water inlet pipe is arranged in each guide body, a water outlet pipe of the water tank is connected with a cooling alkaline water tank, a flow regulating valve is arranged on the water inlet pipe, three cooling flue gas outlets are arranged in the cooling chamber and are all connected with the high-temperature flue gas pipeline, a high-temperature flue gas mixing box is arranged at the top of the demisting cooling tower, and a flue gas outlet is arranged on the side part of the high-temperature flue gas mixing box and is connected with the electrostatic precipitator, so that waste flue gas can be cooled, dehumidified and demisted and treated effectively.
Description
Technical Field
The utility model relates to the technical field of garbage treatment, in particular to a garbage incineration flue gas treatment system, and especially relates to a treatment system capable of mixing sprayed flue gas with humidity.
Background
People can generate more garbage in daily work and life, and when sanitation departments treat the garbage, one treatment mode is an incineration method, namely, the garbage is incinerated by an incinerator, more smoke is generated in the garbage incineration process, and the smoke can be discharged after being purified.
The existing flue gas treatment device adopted by the garbage incineration system is generally a bag-type dust remover and an electrostatic dust remover, the temperature and the humidity of flue gas are limited when the bag-type dust remover is adopted for removal, and besides, the resistance of the bag-type dust remover is relatively high. The electrostatic precipitator ware has the characteristics that treatment effeciency is high, maintains the frequency low, but high humidity environment can reduce electrostatic precipitator's performance, and flue gas humidity after spraying is higher, can influence electrostatic precipitator's dust removal effect to can lead to the fact the corruption to electrostatic precipitator's electrode component. Accordingly, in view of this, there is a need for an effective treatment of the humidity of the flue gas in an electrostatic precipitator.
The patent with the application number of 201820450373.2 discloses a garbage incineration and flue gas treatment integrated machine, wherein a system related to the method comprises an incinerator and an integrated flue gas treatment device, the top end of the incinerator is connected with a high-temperature treatment chamber in a sealing manner, a flue gas outlet pipe connected with the incinerator in a sealing manner is arranged in the high-temperature treatment chamber, one side of the high-temperature treatment chamber is provided with a secondary flue gas inlet, and the top of the high-temperature treatment chamber is provided with a secondary flue gas outlet; the integrated flue gas treatment device comprises a shell, wherein a filter plate, a desulfurizing agent sprayer, a dust remover and a demister are sequentially arranged in the shell from bottom to top, a flue gas inlet is formed in the side wall of the shell and corresponds to the desulfurizing agent sprayer, a flue gas outlet is formed in the top of the shell, the flue gas inlet is connected with a flue gas outlet pipe of the incinerator, and the flue gas outlet is connected with a secondary flue gas inlet of the high-temperature treatment chamber. The wet electric dust collector is a closed dust collector and is mainly used for eliminating polluted gas containing a large amount of moisture in the air, so that the wet electric dust collector needs to be opened and poured regularly, the time for eliminating harmful gas is prolonged, the wet electric dust collector needs to be placed at a specific position for circulating water treatment after the use is finished, and the selection of the placed position is difficult. The technical disadvantage is aimed at, and the direct use of the electrostatic precipitator is adopted, and the flue gas is dehumidified in the cooling tower.
The patent of application number 202211031813.8 invents a garbage incineration flue gas treatment device based on electrostatic dust removal, the system that this method relates to includes including the secondary combustion stove that connects gradually, quenching deacidification tower, electrostatic precipitator, granule adsorber and chimney, the top of secondary combustion stove is provided with the flue gas import, and the flue gas import is connected with the exhaust port of burning stove, quenching deacidification tower includes main tower body and fume extraction cover, the inside of main tower body is provided with multiunit fixed disk frame, the equal fixed mounting multiunit shower head of bottom side of multiunit fixed disk frame, the collection petticoat pipe is installed to the inside top of being close to the fixed disk frame of top side of main tower body, the top of collection petticoat pipe is connected with main exhaust pipe, the top of main exhaust pipe is connected with multiunit pair fume extraction pipe, the cooling alkali water tank is installed at the top of main tower body. The cooling mode adopts the heat exchanger to cool, because untreated flue gas gets into heat exchange tube bank, the particulate matter deposits on heat exchange tube bank surface easily, causes to block up or influence heat exchange efficiency, and this patent equipment arranges more, and area is great, and required capital cost is also off-the-shelf, and needs a large amount of spraying volume, can't reach economical and practical's effect. Aiming at the technical defects, the face spraying device adopts an atomization spraying cooling mode, and has the advantage of dust removal pretreatment.
Disclosure of Invention
The utility model aims to provide a garbage incineration flue gas treatment system which can be used for carrying out dehumidification treatment on high-humidity flue gas, can be used for effectively controlling spraying and cooling of the flue gas, achieves a better spraying effect, is low in manufacturing and running cost, is stable in running and convenient to maintain, and can be used for avoiding the situation that the better treatment effect is not obtained.
The utility model is realized in the following way: the utility model provides a waste incineration flue gas processing system, includes the combustion furnace that connects gradually, defogging cooling tower, electrostatic precipitator and smoke exhaust chimney, the top and the side of combustion furnace set up the flue gas export and mix the cooler bin and be connected, the defogging cooling tower is including mixing cooler bin, defroster, the filter, it is divided into cooling chamber and high temperature flue gas mixing tube to mix the cooler bin, the inside of cooling chamber sets up six water conservancy diversion bodies, and every water conservancy diversion body lateral part all is equipped with the multiunit shower head, and the inside inlet tube that is equipped with of water conservancy diversion body, is connected with cooling alkaline water case through the water tank outlet pipe, the inlet tube is equipped with the flow control valve, the inside three cooling flue gas export that is equipped with of cooling chamber, two and lateral part are one, all connect high temperature flue gas pipeline, the defroster sets up at mixing cooler bin export upper end, the defroster is equipped with the outlet flue gas, the filter sets up and goes out at the defroster outlet, the defogger cooling tower top sets up high temperature flue gas mixing box, high temperature flue gas mixing box lateral part sets up the outlet and links to each other with electrostatic precipitator.
In a preferred technical scheme of the utility model, the utility model further comprises induced draft fans, wherein the induced draft fans are arranged in two groups and are respectively arranged between the demisting cooling tower and the electrostatic precipitator as well as between the electrostatic precipitator and the chimney.
In a preferred technical scheme of the utility model, two smoke outlet pipes are arranged at a smoke outlet of the combustion furnace, a smoke pipeline is connected with the cooling chamber, a branch pipeline is connected with the high-temperature smoke mixing pipeline, and the smoke pipeline is connected with the high-temperature smoke mixing box.
In a preferred technical scheme of the utility model, a cooling alkali water tank is arranged at one side of the demisting cooling tower, and a liquid inlet port of the cooling alkali water tank is connected with a water collecting tank.
In a preferred technical scheme of the utility model, the control system is provided with a temperature sensor, a controller, a flow regulating valve I, a flow regulating valve II, a flow regulating valve III, a flow regulating valve IV, a flow regulating valve V and a flow regulating valve VI, wherein the temperature sensor is arranged at a flue gas outlet of the high-temperature flue gas mixing box, and the flow regulating valve is arranged on a diversion body water path.
In a preferred technical scheme of the utility model, the high-temperature flue gas pipeline valve further comprises a high-temperature flue gas pipeline valve I and a high-temperature flue gas pipeline valve II, wherein the high-temperature flue gas pipeline valve I and the high-temperature flue gas pipeline valve II are arranged at a flue gas pipeline inlet of the combustion furnace.
In a preferred technical scheme of the utility model, the demisting cooling tower further comprises a water collecting tank which is arranged at the bottom of the demisting cooling tower and is connected with an external cooling alkali water tank.
The beneficial effects of the utility model are as follows: when the garbage incineration flue gas treatment system is used, the high-temperature flue gas is cooled in the mixing cooling box through the arrangement of the demisting cooling tower, meanwhile, the high-temperature flue gas in the mixing pipeline is mixed through the three mixing outlets, the flue gas can be guided and sprayed through the arrangement of the guide body, and the spraying quantity can be controlled through the flow regulating valve, so that a better spraying effect is achieved. And finally, carrying out secondary mixing in a high-temperature flue gas mixing box to achieve the effects of cooling and dehumidifying. Simultaneously, the demister and the filter plate are used for demisting treatment, so that the state of flue gas entering the electrostatic precipitator is better controlled, the electrostatic precipitator achieves better dedusting effect, and equipment is protected. The cooling water recovered by the water collecting tank can be recycled. The utility model has simple structure and novel design, can cool, defog and remove dust on the garbage smoke, and can effectively treat the high-humidity smoke at the same time, thereby preventing the smoke from polluting the atmospheric environment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of the overall structure provided by an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of the overall sectional structure of a demisting cooling tower according to an embodiment of the present utility model;
FIG. 3 is a schematic perspective view of the overall cross-sectional structure of a hybrid cooling tank according to an embodiment of the present utility model;
fig. 4 is a schematic perspective view of the whole structure of a fluid director according to an embodiment of the present utility model.
In the figure: 1-an incinerator; 2-defogging a cooling tower; 3-electrostatic precipitator; 4-chimney discharge; 5-a mixing cooling box; 6-a dust remover; 7-a filter plate; 8-a flue gas pipeline; 9-branch pipes; 10-smoke inlet pipe of electrostatic dust collector; 11-an electrostatic precipitator smoke exhaust pipe; 12-induced draft fan; 13-cooling the smoke outlet; 14-a current carrier; 15-an outlet of the mixing cooling tank; 16-a high-temperature flue gas mixing pipeline; 17-a cooling chamber; 18-cooling an alkali water tank; 19-a flow regulating valve I; 20-a flow regulating valve II; 21-a flow regulating valve III; 22-a flow regulating valve IV; 23-a flow regulating valve V; 24-a flow regulating valve vi; 25-a water outlet pipe of the water tank; 26-a flue gas pipeline valve I; 27-a high-temperature flue gas pipeline; 28-a high-temperature flue gas mixing box; 29-a high-temperature flue gas pipeline valve II; 30-a water collecting tank.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a waste incineration flue gas treatment system, including the combustion furnace 1 that connects gradually, defogging cooling tower 2, electrostatic precipitator 3 and smoke stack 4, the top and the side of combustion furnace 1 set up the flue gas export and mix cooling tank 5 and be connected, defogger cooling tower 2 is including mix cooling tank 5, the defroster 6, filter 7, mix cooling tank 5 and divide into cooling chamber 17 and high temperature flue gas mixing tube 16, the inside of cooling chamber 17 sets up six water conservancy diversion bodies 14, every water conservancy diversion body 14 lateral part all is equipped with the multiunit shower head, the inside inlet tube that is equipped with of water conservancy diversion body 14, be connected with cooling alkali water tank 18 through water tank outlet pipe 25, the inlet tube is equipped with flow control valve, cooling chamber 17 inside is equipped with three cooling flue gas export 13, bottom two and lateral part are one, all connect high temperature flue gas pipeline 16, defogger 6 sets up in mix cooling tank export 15 upper end, defogger 6 is equipped with out the mouth, filter 7 sets up out at defroster 6 out mouth, defogger cooling tower 2 top sets up high temperature flue gas mixing box 28, high temperature flue gas 28 lateral part sets up out mouth and links to each other with electrostatic precipitator 3.
And the device also comprises an induced draft fan 12, and the induced draft fan 12 is arranged between the electrostatic precipitator 3 and the chimney 4.
The smoke outlet of the combustion furnace 1 is provided with two smoke outlet pipes, the smoke pipeline 8 is connected with the cooling chamber 17, the branch pipeline 9 is connected with the high-temperature smoke mixing pipeline 16, and the high-temperature smoke pipeline 27 is connected with the high-temperature smoke mixing box 28.
One side of the defogging cooling tower 2 is provided with a cooling alkali water tank 18, and the cooling alkali water tank 18 is provided with a liquid inlet.
The control system is provided with a temperature sensor arranged at the outlet of the high-temperature flue gas mixing box, and a flow regulating valve I19, a flow regulating valve II 20, a flow regulating valve III 21, a flow regulating valve IV 22, a flow regulating valve V23 and a flow regulating valve VI 24 are arranged on the diversion body water path.
The high-temperature flue gas pipeline 27 and the flue gas pipeline 8 are respectively provided with a high-temperature flue gas pipeline valve 26I and a high-temperature flue gas pipeline valve 29 II, and the high-temperature flue gas pipeline valve I26 and the high-temperature flue gas pipeline valve 29 II are arranged at the outlet of the flue gas pipeline of the combustion furnace.
Working principle: through the setting of defogging cooling tower, can cool off operation and mixed operation to the flue gas that combustion furnace 1 produced in mixing cooling tank 5, carry out water conservancy diversion and spray to the flue gas through the water conservancy diversion body in the cooling chamber 17, realize the cooling operation to the flue gas, simultaneously because the sensor of high temperature flue gas mixing tank 28 exit can control the spraying volume through controller control flow control valve, reach best flue gas cooling effect, the flue gas after the cooling enters into branch pipe 9 through cooling outlet 13 simultaneously, carry out primary mixing with the high temperature flue gas in the pipeline, rethread defroster 6, the defogging operation of filter 7 enters into the high temperature flue gas mixing tank 28 and carries out secondary mixing operation. The defogging cooling tower 2 guarantees the dust removal effect of electrostatic precipitator 3, can not lead to the fact the corruption to electrostatic precipitator 3's electrode component, has higher practicality. Meanwhile, the demisting cooling tower 2 performs mixed cooling operation twice, so that a better cooling and dehumidifying effect is achieved. And the cooling water recovered from the water collecting tank 30 can be recycled through the cooling alkaline water tank.
The specific model specifications of the incinerator 1, the electrostatic precipitator 3, the induced draft fan 12, the flow regulating valve I19, the flow regulating valve II 20, the flow regulating valve III 21, the flow regulating valve IV 22, the flow regulating valve V23, the flow regulating valve VI 24 and various sensor and controller are required to be determined according to the actual specifications of the device, and the specific model selection calculation method adopts the prior art in the field, so that detailed description is omitted.
The power supply and the principle of the incinerator 1, the electrostatic precipitator 3, the induced draft fan 12, the flow regulating valve I19, the flow regulating valve II 20, the flow regulating valve III 21, the flow regulating valve IV 22, the flow regulating valve V23, the flow regulating valve VI 24 and various sensor controllers are obvious to those skilled in the art and will not be described in detail here.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides a waste incineration flue gas processing system, its characterized in that, including the combustion furnace that connects gradually, defogging cooling tower, electrostatic precipitator and smoke stack, the top and the side of combustion furnace set up the flue gas export and mix the cooler bin and be connected, the defogging cooling tower is including mixing cooler bin, defroster, the filter, it divide into cooling chamber and high temperature flue gas mixing pipeline to mix the cooler bin, the inside of cooling chamber sets up six water conservancy diversion bodies, and every water conservancy diversion body lateral part all is equipped with the multiunit shower head, and the inside inlet tube that is equipped with of water conservancy diversion body, is connected with cooling alkaline water case through the water tank outlet pipe, the inlet tube is equipped with the flow control valve, the inside three cooling flue gas export that is equipped with of cooling chamber, two bottom and lateral part are one, all connect high temperature flue gas pipeline, the defroster sets up in mixing tank export upper end, the defroster is equipped with out the flue gas mouth, the filter sets up out the flue gas mouth at the defroster, the defogging cooling tower top sets up high temperature flue gas mixing tank, high temperature flue gas case lateral part sets up out the flue gas mouth and links to each other with the electrostatic precipitator.
2. The waste incineration flue gas treatment system according to claim 1, wherein: still include the draught fan, the draught fan sets up two sets of, installs respectively between defogging cooling tower and electrostatic precipitator and play chimney.
3. The waste incineration flue gas treatment system according to claim 1, wherein: the smoke outlet of the combustion furnace is provided with two smoke outlet pipes, the smoke pipeline is connected with the cooling chamber, the branch pipeline is connected with the high-temperature smoke mixing pipeline, and the smoke pipeline is connected with the high-temperature smoke mixing box.
4. The waste incineration flue gas treatment system according to claim 1, wherein: one side of the demisting cooling tower is provided with a cooling alkali water tank, and a liquid inlet port of the cooling alkali water tank is connected with a water collecting tank.
5. The waste incineration flue gas treatment system according to claim 1, wherein: the control system is provided with a temperature sensor, a controller, a flow regulating valve I, a flow regulating valve II, a flow regulating valve III, a flow regulating valve IV, a flow regulating valve V and a flow regulating valve VI, wherein the temperature sensor is arranged at a flue gas outlet of the high-temperature flue gas mixing box, and the flow regulating valve is arranged on a diversion body water path.
6. The waste incineration flue gas treatment system according to claim 1, wherein: still include high temperature flue gas pipeline valve I, high temperature flue gas pipeline valve II, high temperature flue gas pipeline valve I, high temperature flue gas pipeline valve II set up at the burning furnace flue gas pipeline import.
7. The waste incineration flue gas treatment system according to claim 1, wherein: the demisting cooling tower also comprises a water collecting tank which is arranged at the bottom of the demisting cooling tower and is connected with an external cooling alkali water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321790511.9U CN220310688U (en) | 2023-07-10 | 2023-07-10 | Waste incineration flue gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321790511.9U CN220310688U (en) | 2023-07-10 | 2023-07-10 | Waste incineration flue gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220310688U true CN220310688U (en) | 2024-01-09 |
Family
ID=89417321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321790511.9U Active CN220310688U (en) | 2023-07-10 | 2023-07-10 | Waste incineration flue gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220310688U (en) |
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2023
- 2023-07-10 CN CN202321790511.9U patent/CN220310688U/en active Active
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